| # extern crate derivative; |
| # use derivative::Derivative; |
| # #[derive(PartialEq, Hash)] |
| # struct Identifier; |
| #[derive(Derivative)] |
| #[derivative(PartialEq, Hash)] |
| pub struct Version { |
| /// The major version. |
| pub major: u64, |
| /// The minor version. |
| pub minor: u64, |
| /// The patch version. |
| pub patch: u64, |
| /// The pre-release version identifier. |
| pub pre: Vec<Identifier>, |
| // We should ignore build metadata |
| // here, otherwise versions v1 and |
| // v2 can exist such that !(v1 < v2) |
| // && !(v1 > v2) && v1 != v2, which |
| // violate strict total ordering rules. |
| #[derivative(PartialEq="ignore")] |
| #[derivative(Hash="ignore")] |
| /// The build metadata, ignored when |
| /// determining version precedence. |
| pub build: Vec<Identifier>, |
| } |
